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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 7AC911.9 |
| Alternative Part Number | 7ac9119 |
| Manufacturer | B&R |
| Category | Bus Connector |
| Family | |
| Description | Bus connector for CAN network with a 9-pin female DSUB connector designed for robust industrial communication systems. |
| Interface Type | CAN (Controller Area Network) |
| Connector Type | 9-pin female DSUB |
| Network Capability | Yes |
| Electrical Isolation | Yes, for CAN interface |
| Maximum Transfer Rate | Up to 500 kbit/s depending on bus length and network conditions |
| Maximum Distance | Up to 1000 m for CAN interface |
| Termination | Requires externally wired bus terminating resistor |
| Operating Temperature Range | Typically 5 to 40°C (operational range may vary based on system implementation) |
| Certification | CE, cULus, KC |
| Commodity Code | 847330 |
The B&R 7AC911.9 is a high-quality bus connector designed to facilitate seamless communication within CAN networks. This 9-pin female DSUB connector is engineered to provide a reliable interface for connecting a bus controller to a CAN network, ensuring efficient data transfer and system integration. Its robust construction and precision design make it suitable for a wide range of industrial automation applications where dependable network connectivity is essential. The 7AC911.9 is part of B&R's commitment to excellence in automation technology, offering users a durable and precise solution for their connectivity needs.
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Frequently Asked Questions
What is the function of this bus connector?
The bus connector is designed to facilitate communication between a bus controller and a CAN network. It provides a reliable connection point for the transmission of data across the network.
Can this connector be used in a real-time control environment?
Yes, the connector is suitable for real-time control environments as it supports fast data transfer for small data packets, which is essential for maintaining real-time communication within a CAN network.
What type of cable should be used with this connector?
A four-wire twisted pair cable is essential for use with this connector to ensure high noise immunity and reliable communication over the CAN network.
Is the bus connector compatible with different baud rates?
Yes, the connector supports various baud rates, allowing it to be used in different CAN network configurations with varying data transfer speeds.
Does the connector come with a terminating resistor?
The connector typically includes a 120Ω terminating resistor, which is necessary for proper termination of the CAN network to prevent signal reflections.
How does the bus connector contribute to error detection in a network?
The connector is part of a system that supports error detection mechanisms like Cyclic Redundancy Check (CRC) and frame checking, which are crucial for maintaining the integrity of data transmission in a CAN network.
What are the electrical specifications for the bus connector?
The bus connector is designed for use in CAN networks and is electrically isolated to prevent ground loop issues. It typically operates within the voltage and current specifications of the CAN standard.
How is the bus connector installed in a network?
Installation involves connecting the bus cable to the 9-pin female DSUB connector, ensuring that the cable is properly twisted and shielded, and that the terminating resistors are correctly placed at both ends of the network.
What is the maximum bus length supported by this connector?
The maximum bus length supported by the connector depends on the baud rate of the network. Lower baud rates allow for longer bus lengths, while higher rates are suitable for shorter distances.
Can this connector be used with devices from other manufacturers?
Yes, the connector is designed as an open system, meaning it can be used with CAN network devices from various manufacturers, provided they adhere to the CAN network standards.
Part conditions explained
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